metarubricyte /meta·ru·bri·cyte/ (-roo″brĭ-sīt) orthochromatic erythroblast.
metarubricyte
erythroblast [ĕ-rith´ro-blast]
met·a·ru·bri·cyte (m t  -r  br -s t)n. An orthochromatic normoblast. |
metarubricyte
[-ro̅o̅′brisīt]
Etymology: Gk, meta + L, ruber, red, kytos, cell
a red blood cell possessing a nucleus. Such cells, also known as normoblasts, are not normally found in circulating blood.
erythroblast [ĕ-rith´ro-blast]
a term originally used for any type of nucleated erythrocyte, but now usually limited to one of the nucleated precursors of an erythrocyte, i.e. one of the developmental stages in the erythrocytic series, in contrast to a megaloblast. In this usage, it is called also normoblast.
basophilic erythroblast a nucleated precursor in the erythrocytic series, preceding the polychromatophilic erythroblast and following the proerythroblast; the cytoplasm is basophilic, the nucleus is large with clumped chromatin, and the nucleoli have disappeared. Called also basophilic normoblast.
orthochromatic erythroblast see normoblast.
polychromatic erythroblast (polychromatophilic erythroblast) see normoblast.
metarubricyte
an orthochromatic normoblast; an immature red cell erythrocyte.
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